On Mon, 09 Aug 2010 09:12:00 PDT, "Paul E. McKenney" said: > On Mon, Aug 02, 2010 at 02:22:12PM +0530, Subrata Modak wrote: > > Hi, > > > > The following suspicious rcu_dereference_check() usage is detected > > during 2.6.35-stable boot on my ppc64/p7 machine: > > > > ========================= > > [ INFO: suspicious rcu_dereference_check() usage. ] > > --------------------------------------------------- > > kernel/sched.c:616 invoked rcu_dereference_check() without protection! > > other info that might help us debug this:
> Thank you for locating this one! This looks like the same issue that > Ilia Mirkin located. Please see below for my analysis -- no fix yet, > as I need confirmation from cgroups experts. I can easily create a > patch that suppresses the warning, but I don't yet know whether this is > the right thing to do. Ping? I just hit it on 2.6.36-rc4-mmotm0915. Just wanted to make sure the issue hadn't been lost/forgotten.
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